Right taillight stopped working

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Jan 22, 2026 | 09:15 PM

#16

f3502024

Thread Starter

5th Gear

Joined: Jan 2026

Posts: 5

Likes: 0

Quote:

Originally Posted by twobelugas

There is A LOT to unpack in your post that is probably best left alone being some excellent engagement and rage bait material.

The 2nd link you posted leads to an axle shaft seal or an engine mount hex nut. not sure if the link was broken or not. You could always go old school electronics engineer route and get a used unit from Ebay and do some heat separation and soldering yourself if getting a new replacement unit is not on your menu. The way I see it, either you try to use used parts to put a functional unit together, or just get a replacement unit and get it over with. The tail light is a piece of critical safety equipment so I would highly recommend just getting it replaced with a new unit, that''s just me though.

I fixed the link. Thanks for reading and responding.

Jan 23, 2026 | 10:04 AM

#17

CBEllis

Fleet Mechanic

Joined: Dec 2012

Posts: 1,566

Likes: 537

From: DFW

Quote:

Originally Posted by f3502024

I fixed the link. Thanks for reading and responding.

This is simple, replacing the entire housing is your only option. It’s cracked, there’s no getting around it. Go aftermarket and replace them both. Or go factory and replace the side that’s broken. If money doesn’t matter, find some cool aftermarket LED’s in cool housings. Or hunt down a factory replacement.

Jan 23, 2026 | 12:23 PM

#18

roadpilot

Fleet Mechanic

Joined: Jan 2015

Posts: 1,377

Likes: 294

From: SE Michigan

Quote:

Originally Posted by f3502024

Hello all, thank you. My deductible is $1,000. I paid close to 105k with about 40k down. I can afford to pay $4,500. But I don't want to.

If you're doing this out of pocket, then just order the new housing, move the BLIS sensor to the new housing, and be done with it. Again, my rear LED taillight housing for my 2021 F150 Platinum was only held in by 2 screws, so I suspect the F350 is the same. Took me about 10 minutes to replace BOTH housings on BOTH sides, including moving the BLIS sensors.

The tail light assembly housing is $1,524.70 from my go-to place (VarsityFordParts.com).

The signal lamp for the mirror is $155.95 from the same place.

I'm local and I pick my stuff up. I put in a random Chicago zip code and it shows $60.90 to ship. I can only assume they will add your state sales tax.

These should be two very easy repairs for ~$1,741 total (not including sales tax).